}

// Round returns the result of rounding d to the nearest multiple of m.
// The rounding behavior for halfway values is to round away from zero.
// If the result exceeds the maximum (or minimum)
// value that can be stored in a [Duration],
// Round returns the maximum (or minimum) duration.
// If m <= 0, Round returns d unchanged.
func (d Duration) Round(m Duration) Duration {
	if m <= 0 {
		return d

func alignSparseEntries(src []sparseEntry, size int64) []sparseEntry {
	dst := src[:0]
	for _, s := range src {
		pos, end := s.Offset, s.endOffset()
		pos += blockPadding(+pos) // Round-up to nearest blockSize
		if end != size {
			end -= blockPadding(-end) // Round-down to nearest blockSize
		}
		if pos < end {
			dst = append(dst, sparseEntry{Offset: pos, Length: end - pos})
		}
	}
	return dst
}

	}

	go func() {
		e, i := runtime.LockOSCounts()
		if e != 0 || i != 0 {
			t.Errorf("want locked counts 0, 0; got %d, %d", e, i)
			return
		}
		runtime.LockOSThread()
		runtime.LockOSThread()
		runtime.UnlockOSThread()
		e, i = runtime.LockOSCounts()
		if e != 1 || i != 0 {
			t.Errorf("want locked counts 1, 0; got %d, %d", e, i)
			return
		}
		runtime.UnlockOSThread()
		e, i = runtime.LockOSCounts()

		adjustframe(&u.frame, &adjinfo)
	}

	// free old stack
	if stackPoisonCopy != 0 {
		fillstack(old, 0xfc)
	}
	stackfree(old)
}

// round x up to a power of 2.
func round2(x int32) int32 {
	s := uint(0)
	for 1<<s < x {
		s++
	}
	return 1 << s
}

// Called from runtime·morestack when more stack is needed.

	// Round to integer, float64 only.
	// Special cases:
	//   ±∞  → ±∞ (sign preserved)
	//   ±0  → ±0 (sign preserved)
	//   NaN → NaN
	{name: "Floor", argLength: 1},       // round arg0 toward -∞
	{name: "Ceil", argLength: 1},        // round arg0 toward +∞
	{name: "Trunc", argLength: 1},       // round arg0 toward 0

	return func() float64 {
		sum := f()
		for _, s := range fs {
			sum += s()
		}
		return sum
	}
}

// quantize returns a new stream that rounds f to a multiple
// of mult at each step.
func (f float64Stream) quantize(mult float64) float64Stream {
	return func() float64 {
		r := f() / mult
		if r < 0 {
			return math.Ceil(r) * mult
		}

			}
			expect := item.expect.DeepCopy()
			if asDec {
				got.AsDec()
			}
			if ok := got.RoundUp(item.scale); ok != item.ok {
				t.Errorf("%s(%d,%t): unexpected ok: %t", item.in, item.scale, asDec, ok)
			}
			if got.Cmp(expect) != 0 {
				t.Errorf("%s(%d,%t): unexpected round: %s vs %s", item.in, item.scale, asDec, got.String(), expect.String())
			}
		}
	}
}

	COPY_YMM_AND_BSWAP(Y5, (1*32)(DI), Y9)
	COPY_YMM_AND_BSWAP(Y6, (2*32)(DI), Y9)
	COPY_YMM_AND_BSWAP(Y7, (3*32)(DI), Y9)

	MOVQ DI, frame_INP(SP)

	// schedule 64 input dwords, by doing 12 rounds of 4 each
	MOVQ $4, frame_SRND(SP)

loop1:
	VPADDQ  (BP), Y4, Y0
	VMOVDQU Y0, frame_YFER(SP)

	MY_VPALIGNR(Y0, Y7, Y6, 8)

	VPADDQ Y4, Y0, Y0

	MY_VPALIGNR(Y1, Y5, Y4, 8)

				break
			}
		}
	}
}

// Issue 8410
func TestMapSparseIterOrder(t *testing.T) {
	// Run several rounds to increase the probability
	// of failure. One is not enough.
NextRound:
	for round := 0; round < 10; round++ {
		m := make(map[int]bool)
		// Add 1000 items, remove 980.
		for i := 0; i < 1000; i++ {
			m[i] = true
		}
		for i := 20; i < 1000; i++ {

	s := strconv.Quote(x.string())
	if utf8.RuneCountInString(s) > maxLen {
		// The string without the enclosing quotes is greater than maxLen-2 runes
		// long. Remove the last 3 runes (including the closing '"') by keeping
		// only the first maxLen-3 runes; then add "...".
		i := 0
		for n := 0; n < maxLen-3; n++ {
			_, size := utf8.DecodeRuneInString(s[i:])
			i += size
		}
		s = s[:i] + "..."
	}